Merge pull request #18 from mark-i-m/patch-2

Remove rustc-dev-guide

Author: kennytm

_data/latest.json

@@ -68,12 +68,5 @@
  "linux": "test-pass",
  "commit": "fd8e23c6b2902299cb76e89d868fbb84f48035ab",
  "datetime": "2019-05-24T03:07:40Z"
- },
- {
- "tool": "rustc-dev-guide",
- "windows": "test-pass",
- "linux": "test-fail",
- "commit": "c1e05528696ca523055b0f7ce94b8033dcbaa39e",
- "datetime": "2020-05-03T02:58:56Z"
  }
-]
+]